1968 Plymouth Valiant 427 Engine Swap Rocker Arm Assemblies
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We had the opportunity to test fit three different rocker arm assemblies on this engine. The polished rocker arms at the top of the picture are 1.50 ratio units from PRW. In the middle are 1.60 ratio rocker arms from RAS while the Comp 1.50 ratio arms are at the bottom. View Related Article
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